decision_tree_question_type_numeric.inc

<?php
require_once SQ_PACKAGES_PATH.'/cms/page_templates/page_decision_tree/decision_tree_question/decision_tree_question.inc';

class Decision_Tree_Question_Type_Numeric extends Decision_Tree_Question
{


    function __construct($assetid=0)
    {
        parent::__construct($assetid);

    }//end constructor
    
    
    function _getAllowedLinks()
    {
        $page_links = parent::_getAllowedLinks();
        return $page_links;

    }//end _getAllowedLinks()
    
    
    function getHtmlField()
    {
        
        $width  = $this->attr('width');
        $max    = $this->attr('max');
        $extras = $this->attr('extra');
        $name   = 'q'.$this->id;

        // prepare a valid value for the field id
        $extras = $extras.' id="'.$name.'"';

        ob_start();
        text_box($name, '', $width, $max, FALSE, $extras);
        $html = ob_get_contents();
        ob_end_clean();

        return $html;

    }//end getHtmlField()
    
    function getHtmlButton()
    {
        
        $name   = 'q'.$this->id.'_button';
        $value = $this->attr('button_value');
        $on_click = "get_next_step(document.getElementById('q$this->id').value, $this->id)";
        
        ob_start();
        normal_button($name, $value, $on_click, '');
        $html = ob_get_contents();
        ob_end_clean();
        
        return $html;
        
    }//end getHtmlButton()
    
    
    public function getOperators()
    {
        $operators = Array(
                        'INCL'    => translate('all_inclusive'),
                        'L_INCL'  => translate('left_inclusive'),
                        'R_INCL'  => translate('right_inclusive'),
                        'N_INCL'  => translate('not_inclusive'),
                     );

        return $operators;

    }//end getOperators()
    
    
    function evaluate($answer, $rule_data)
    {
        $answer = trim($answer);
        if (strlen($answer) == 0 || !is_numeric($answer)) return FALSE;
        
        if (empty($rule_data)) return FALSE;
        if ((strlen($rule_data['value_1']) == 0 && strlen($rule_data['value_2']) == 0) || empty($rule_data['logic'])) return FALSE;
        
        switch ($rule_data['logic']) {
            case 'INCL':
                if (strlen($rule_data['value_1']) == 0){
                    $valid = ($answer <= $rule_data['value_2']);
                } else if (strlen($rule_data['value_2']) == 0){
                    $valid = ($answer >= $rule_data['value_1']);
                } else {
                    $valid = ($answer >= $rule_data['value_1'] && $answer <= $rule_data['value_2']);
                }   
            break;

            case 'L_INCL':
                if (strlen($rule_data['value_1']) == 0){
                    $valid = ($answer < $rule_data['value_2']);
                } else if (strlen($rule_data['value_2']) == 0){
                    $valid = ($answer >= $rule_data['value_1']);
                } else {
                    $valid = ($answer >= $rule_data['value_1'] && $answer < $rule_data['value_2']);
                }
            break;

            case 'R_INCL':
                if (strlen($rule_data['value_1']) == 0){
                    $valid = ($answer <= $rule_data['value_2']);
                } else if (strlen($rule_data['value_2']) == 0){
                    $valid = ($answer > $rule_data['value_1']);
                } else {
                    $valid = ($answer > $rule_data['value_1'] && $answer <= $rule_data['value_2']);
                }
            break;
            
            case 'N_INCL':
                if (strlen($rule_data['value_1']) == 0){
                    $valid = ($answer < $rule_data['value_2']);
                } else if (strlen($rule_data['value_2']) == 0){
                    $valid = ($answer > $rule_data['value_1']);
                } else {
                    $valid = ($answer > $rule_data['value_1'] && $answer < $rule_data['value_2']);
                }
            break;
            
            default:
                $valid = FALSE;
        }

        return $valid;

    }//end evaluate()

    
    function printDescription($rule_data)
    {   
    
        if ((strlen($rule_data['value_1']) == 0 && strlen($rule_data['value_2']) == 0) || empty($rule_data['logic'])) return;
        switch ($rule_data['logic']) {
            case 'INCL':
                if (strlen($rule_data['value_1']) == 0){
                    echo "<= $rule_data[value_2]";
                } else if (strlen($rule_data['value_2']) == 0){
                    echo ">= $rule_data[value_1]";
                } else {
                    echo (">= $rule_data[value_1] AND <= $rule_data[value_2]");
                }   
            break;

            case 'L_INCL':
                if (strlen($rule_data['value_1']) == 0){
                    echo "< $rule_data[value_2]";
                } else if (strlen($rule_data['value_2']) == 0){
                    echo ">= $rule_data[value_1]";
                } else {
                    echo (">= $rule_data[value_1] AND < $rule_data[value_2]");
                }   
            break;

            case 'R_INCL':
                if (strlen($rule_data['value_1']) == 0){
                    echo "<= $rule_data[value_2]";
                } else if (strlen($rule_data['value_2']) == 0){
                    echo "> $rule_data[value_1]";
                } else {
                    echo ("> $rule_data[value_1] AND <= $rule_data[value_2]");
                }   
            break;
            
            case 'N_INCL':
                if (strlen($rule_data['value_1']) == 0){
                    echo "< $rule_data[value_2]";
                } else if (strlen($rule_data['value_2']) == 0){
                    echo "> $rule_data[value_1]";
                } else {
                    echo ("> $rule_data[value_1] AND < $rule_data[value_2]");
                }   
            break;
            
            default:
                echo '';
        }

    }//end printDescription()

}//end class
?>